Revert "Forgot to commit changes to subdir.mak in last revision."


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git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13416 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13415 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13411 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

fixes issue300


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13410 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13408 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

fixes issue165.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13407 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

fixes issue355.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13406 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Fixed issue417.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13405 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

This is more efficient as in practice the check is redundant most of the
time. Callers which do not know if enough data is available have to check
it with av_fifo_size(). Doing the check in *read() means the caller has
no choice to skip the check when its known to be redundant.
Also the return value was never documented in a public header so
changing it should not break the API. Besides this fixes the case where
read() failed on a 100% full fifo.


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